300 Wh Power Stations

By Hicham M. · Specs as of September 2026 · How we calculate

8 models in our database have between 240 Wh and 293 Wh of battery, from EcoFlow, Jackery, BLUETTI and Anker SOLIX. 6 are still on sale. They weigh 6.6 lb to 10.4 lb and put out 200 W to 600 W of continuous AC power.

Models86 on sale
Median battery277 Wh240 Wh–293 Wh
Median weight8.1 lbmedian 32 Wh/lb
Median output300 W0 with 240 V

What a 300 Wh power station runs

Nonstop runtime for one device at a time across the 8 models in this class, at 85% inverter efficiency. “Models that can run it” counts those whose output and surge cover the device, including a few that don’t publish a surge rating and may not start a motor.

Runtime range by device for 300 Wh power stations
DeviceAvg drawModels that can run itRuntime range
Phone charging 10 W 8 of 8 22 hours to 26 hours
Laptop 50 W 8 of 8 4.1 hours to 5 hours
Wi-Fi router + modem 15 W 8 of 8 14 hours to 17 hours
CPAP 30 W 8 of 8 6.8 hours to 8.3 hours
LED light bulb 9 W 8 of 8 23 hours to 28 hours
Mini fridge 29 W 7 of 8 7.2 hours to 8.6 hours
TV 100 W 8 of 8 2 hours to 2.5 hours

Every 300 Wh model we track

300 Wh power stations: specs and fridge runtime
Model Battery Output Surge Solar in Weight Wh/lb Runs a fridge
Jackery Explorer 240 Older 240 Wh 200 W 400 W — 6.6 lb 36.4 Can’t start it
EcoFlow RIVER 3 245 Wh 300 W 600 W 110 W 7.7 lb 31.7 Can’t start it
Jackery Explorer 240 v2 256 Wh 300 W 600 W 100 W 7.9 lb 32.2 Can’t start it
BLUETTI EB3A Older 269 Wh 600 W 1,200 W 200 W 10.1 lb 26.5 3.9 hours
EcoFlow RIVER 3 Plus Expandable 286 Wh 600 W 1,200 W 220 W 10.4 lb 27.5 4.2 hours
Anker SOLIX C300 288 Wh 300 W 600 W 100 W 9.1 lb 31.6 Can’t start it
Jackery Explorer 300 v2 288 Wh 300 W 600 W 100 W 8.2 lb 35.3 Can’t start it
Jackery Explorer 300 293 Wh 300 W 500 W — 7.1 lb 41.3 Can’t start it

“Runs a fridge” is nonstop runtime for a typical ENERGY STAR full-size fridge averaging 58 W, at 85% inverter efficiency. Specs from each maker’s published documents, as of September 2026.

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Leaders in this class

Spec-sheet leaders only. A model that leads on one line can trail on another, so check what matters for your use.

Comparisons in this class

Questions

How long does a 300 Wh power station run a fridge?
Between about 3.9 hours and 4.2 hours nonstop for a typical ENERGY STAR full-size fridge (58 W average), depending on the model. 2 of the 8 models here can start one. See the fridge page for older and larger fridges.
What can’t a 300 Wh power station run?
Only some can run a mini fridge (7 of 8). The table above shows which ones, and the runtime calculator checks any device against any model.
Is 300 Wh the right size for me?
Battery size decides how long, and output decides what. List your own devices in the size finder to see which class you actually need, with a safety margin for battery aging and cold weather.

Other sizes and brands

Calculators